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7-way tow package connector...

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Old 09-29-2008, 03:25 PM   #1
mvega1969 [OP] mvega1969 is offline
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7-way tow package connector...

Does any body knows if the seventh pin (auxiliar/back-up [reverse]), the one at the center is connected to "something" and pass through any signal to a trailer. Being straight, does this center pin is it connected to the back-up [reverse] signal on our Tacomas with OEM towing package?


This one, marked as auxiliary or orange color:
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7-way tow package connector...-7-way-connector-distribution.jpg  
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Old 09-30-2008, 04:09 AM   #2
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Get a test light, put the e-brake on and chock the wheels. Turn the key on and put the truck in reverse. Make sure the truck isn't running. If it's hooked up, the light will be on. You can then tap into the wire.
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Old 09-30-2008, 06:22 AM   #3
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Quote:
Originally Posted by TicTacOma View Post
Get a test light, put the e-brake on and chock the wheels. Turn the key on and put the truck in reverse. Make sure the truck isn't running. If it's hooked up, the light will be on. You can then tap into the wire.
I will be doing this and I let you know, thanks!

Regards.
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Old 10-01-2008, 06:40 AM   #4
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Quote:
Originally Posted by TicTacOma View Post
Get a test light, put the e-brake on and chock the wheels. Turn the key on and put the truck in reverse. Make sure the truck isn't running. If it's hooked up, the light will be on. You can then tap into the wire.

I did use the test light and proceed to check the 7th point (center) on a 7-way towing package connector, it does pass the signal for back-up (reverse), with this if for some reason (as I) someone is in need of it, this can be used to place backup lights on a trailer that does not have it or on any towed vehicle/trailer. In order to do it you will need to match it with a 7-way trailer (female) connector and use the 7th contact point.

Regards.
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Old 10-01-2008, 07:59 PM   #5
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Quote:
Originally Posted by mvega1969 View Post
I did use the test light and proceed to check the 7th point (center) on a 7-way towing package connector, it does pass the signal for back-up (reverse), with this if for some reason (as I) someone is in need of it, this can be used to place backup lights on a trailer that does not have it or on any towed vehicle/trailer. In order to do it you will need to match it with a 7-way trailer (female) connector and use the 7th contact point.

Regards.
This reverse pin (on the flat 5 connector and 7 pin round connector) also locks out the brakes on newer surge brake equipped trailers to prevent the brakes from actuating while backing.

Backup lights are a great idea though, trailers should come with them as standard equipment in my opinion.

David
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Old 10-02-2008, 06:31 AM   #6
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Quote:
Originally Posted by dbkonkle View Post
This reverse pin (on the flat 5 connector and 7 pin round connector) also locks out the brakes on newer surge brake equipped trailers to prevent the brakes from actuating while backing.

Backup lights are a great idea though, trailers should come with them as standard equipment in my opinion.

David
You always learn something new, I did not know that 5th pin on a 5-way flat connector was used for backup, great!

I had installed a "manual" or switched reverse lights to a RV but I was always wondering how I can do it "automatically" when backing up with the truck, this is the way for a 5-way flat and 7-way round connectors.

Regards.
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Old 10-07-2008, 03:23 PM   #7
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Project done, now I have my extra backup lights (Tacoma) plus the RV has its own pair, connected via a relay where it gets the 12v from its battery and the backup (reverse) signal from the truck (via the 7-way connector). I blowed two fuses: Truck (ignition -short circuit-) and RV (installed fuse was 7.5a when it should be at least 20a -bases on relay-), but at the end everything worked as predicted -automatically-.
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Old 10-08-2008, 05:55 AM   #8
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Quote:
Originally Posted by mvega1969 View Post
Project done, now I have my extra backup lights (Tacoma) plus the RV has its own pair, connected via a relay where it gets the 12v from its battery and the backup (reverse) signal from the truck (via the 7-way connector). I blowed two fuses: Truck (ignition -short circuit-) and RV (installed fuse was 7.5a when it should be at least 20a -bases on relay-), but at the end everything worked as predicted -automatically-.
I should have mentioned that a relay would be a good idea, but you seem to have it under control. This will be one of those things that gets added to all the trailers I use frequently. . .if my truck ever shows up at the stealership.

David
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